acm第1363题——很好的关于堆栈队列顺序的题目

#ifdef HAVE_CONFIG_H
#include
#endif

#include
#include

int main(int argc, char *argv[])
{
 int num,i,j;
 int k ;
 int l[1002];
 int s[1003];
 printf("please input the total num of your coaches\n");
 while(scanf("%d",&num), num != 0)
 {
  k = 0;
  for(i = 0; i < num; i++)
   scanf("%d", &l[i]);
  s[0] = 0;
  j = 0;
  for(i = 0; i < num; i++)
  {
   while(1)
   {
    if(l[i] == s[j])
    {
     j--;
     break;
    }
    else
    {
     j++;
     k++;
     s[j] = k;
     if(k > num)
      break;
    }
   }
  if(k > num)
   break;
  } 
 
  
  if(j == 0)
   printf("Yes\n");
  else
   printf("No\n");
 }

 return 0;
}